Legal Opinion
Universal Oil Products Co. v. Globe Oil & Refining Co.
Court of Appeals for the Seventh Circuit
Decided June 30, 1943No. 7912PublishedCited by 61 opinions
1Opinion of the Court
EVANS, Circuit Judge.
Plaintiff brought suit on two patents, one to Carbon P. Dubbs, No. 1,392,629, issued October 4, 1921, and the other, No. 1,537,-593, issued to Gustav Egloff, May 12, 1925.
Defendant challenged the validity of both patents and denied infringement of either patent. It also vigorously contends that plaintiff’s conduct necessitated a denial of all relief by a court of equity because of Dubbs’ unethical conduct. It invokes the plaintiff’s unclean hands as its third defense.
The court held the Dubbs patent to be valid, but not infringed, and declared the Egloff patent, invalid.…
2Cases cited5 opinions
- Rajah Auto Supply Co. v. Belvidere Screw & Machine Co.Court of Appeals for the Seventh Circuit · 1921
- Dennis v. PitnerCourt of Appeals for the Seventh Circuit · 1939
- Universal Oil Products Co. v. Globe Oil & Refining Co.District Court, N.D. Illinois · 1941
- Northwest Engineering Corp. v. Keystone Driller Co.Court of Appeals for the Seventh Circuit · 1934
- Advance Rumley Co. v. John Lauson Mfg. Co.Court of Appeals for the Seventh Circuit · 1921
3Cited by61 opinions
- Autogiro Company of America v. The United StatesUnited States Court of Claims · 1967
- Envirotech Corporation v. Al George, Incorporated and Monosep, Inc.Court of Appeals for the Federal Circuit · 1984
- Universal Oil Products Co. v. Globe Oil & Refining Co.Supreme Court of the United States · 1944
- Bert O. Jonsson, Besam Ab and Besam, Inc. v. The Stanley Works, the Stanley Works v. Besam, Inc.Court of Appeals for the Federal Circuit · 1990
- Beckman Instruments, Inc., and Leland C. Clark, Jr., Plaintiffs-Appellants-Cross v. Chemtronics, Inc. And J. Ryan Neville, Defendants-Appellees-CrossCourt of Appeals for the Fifth Circuit · 1970
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